X-Jet M5 Nozzle - Machine is 3800 psi and 3.5 gpm

Hello All, My machine is 3800 psi and 3.5 gpm. This doesn’t match up specifically to the X-jet nozzle ratings. I was wondering if you would recommend going with the #9 (2,000-3,000 psi 2-3gpm) or the #13 (3,000-4,000 psi 4-6gpm)?

Thank you

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Go with the larger and then if you upgrade machine later still good.